1)   WinMLS 2000 3
Perform audio, acoustical and vibrational measurements user-friendly, accurate and flexible using a sound card. WinMLS2000 is widely used by pros. Now low-cost versions allow the amateur to perform professional loudspeaker and room measurements.
distortion, intermodulation, harmonic, MLS, sweep, chirp, sinusoid, room acoustics, calibration, acoustic,